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Subject[PATCH V2 3/5] dt-bindings: gpio: Add bindings for gpio-virtio
Date
This patch adds binding for virtio GPIO controller, it is based on
virtio-device bindings.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
---
.../devicetree/bindings/gpio/gpio-virtio.yaml | 60 +++++++++++++++++++
1 file changed, 60 insertions(+)
create mode 100644 Documentation/devicetree/bindings/gpio/gpio-virtio.yaml

diff --git a/Documentation/devicetree/bindings/gpio/gpio-virtio.yaml b/Documentation/devicetree/bindings/gpio/gpio-virtio.yaml
new file mode 100644
index 000000000000..96108cfb7a08
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpio/gpio-virtio.yaml
@@ -0,0 +1,60 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/gpio/gpio-virtio.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Virtio GPIO controller
+
+maintainers:
+ - Viresh Kumar <viresh.kumar@linaro.org>
+
+allOf:
+ - $ref: /schemas/gpio/gpio.yaml#
+ - $ref: /schemas/virtio/virtio-device.yaml#
+
+description:
+ Virtio GPIO controller, see /schemas/virtio/virtio-device.yaml for more
+ details.
+
+properties:
+ $nodename:
+ pattern: '^gpio-virtio(-[a-z0-9]+)?$'
+
+ compatible:
+ const: virtio,29
+
+ gpio-controller: true
+
+ "#gpio-cells":
+ const: 2
+
+ interrupt-controller: true
+
+ "#interrupt-cells":
+ const: 2
+
+required:
+ - compatible
+ - gpio-controller
+ - "#gpio-cells"
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ virtio@3000 {
+ compatible = "virtio,mmio";
+ reg = <0x3000 0x100>;
+ interrupts = <41>;
+
+ gpio: gpio-virtio {
+ compatible = "virtio,29";
+ gpio-controller;
+ #gpio-cells = <2>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
+ };
+
+...
--
2.31.1.272.g89b43f80a514
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